linux-kernel - Re: [PATCH v3 2/3] arm64: dts: qcom: sdm845: align TLMM pin configuration with DT schema

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Date:   Fri, 9 Dec 2022 11:25:02 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] arm64: dts: qcom: sdm845: align TLMM pin
 configuration with DT schema

On 02/12/2022 17:53, Doug Anderson wrote:
> Hi,
> 
> On Fri, Dec 2, 2022 at 7:57 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> DT schema expects TLMM pin configuration nodes to be named with
>> '-state' suffix and their optional children with '-pins' suffix.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>
>> ---
>>
>> Cc: Doug Anderson <dianders@...omium.org>
>>
>> Tested on Qualcomm RB3. Please kndly test a bit more on other devices.
>> This should not have an functional impact.
>>
>> Changes since v2:
>> 1. Bring back UART6 4-pin bias/drive strength to DTSI.
> 
> Just to be clear, it doesn't actually belong in the DTSI, but it was
> there before your patch and it's fine if your patch series doesn't fix
> the whole world. I'm OK with this one staying in the DTSI for now just
> to keep things simpler.
> 
> One change missing in v3 that I would have expected based on our
> discussion in the previous version would be to "Add UART3 4-pin mux
> settings for use in db845c." I think you said you would do this, but I
> don't see it done.

Hm, I don't recall that. Changing db845c to usage of RTS/CTS is
independent problem, not related to fixes or aligning with DT schema.

Best regards,
Krzysztof